1.

IF_L=10MM,_N=2_RPM_AND_T=0.5_MINUTE._THEN_FIND_THE_VALUE_OF_S._T=MACHINING_TIME_IN_MINUTE,_L=LENGTH_OF_TRAVEL_OF_THE_DRILL_IN_MM,_N=_RPM_OF_THE_DRILL_AND_S=FEED_PER_REVOLUTION_OF_THE_DRILL_IN_MM.?$

A. 5
B. 10
C. 20
D. none of the mentioned
Answer» C. 20


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